En vivo, Video: Buscador de críticas de conciertos de música clásica, ópera, ballet y danza | Semperoper: Semper Zwei

Even in the world of opera, Ernst Krenek is far from a household name, but this Austrian composer was one of the most prolific composers of the 20th century, with an output encompassing symphonies, chamber works, ballets and, perhaps most significantly, operas.